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Observing the viscous relaxation process of silica optical fiber at ~1000 C using regenerated fiber bragg grating

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dc.contributor.author Cui, Zhiru
dc.contributor.author Gong, Jianhui
dc.contributor.author Wang, Chen
dc.contributor.author Che, Nana
dc.contributor.author Zhao, Yanshuang
dc.contributor.author Chai, Quan
dc.contributor.author Qi, Haifeng
dc.contributor.author Lewis, Elfed
dc.contributor.author Ren, Jing
dc.contributor.author Zhang, Jianzhong
dc.contributor.author Yang, Jun
dc.contributor.author Yuan, Libo
dc.contributor.author Peng, Gang-Ding
dc.date.accessioned 2019-06-18T10:23:13Z
dc.date.available 2019-06-18T10:23:13Z
dc.date.issued 2019
dc.identifier.uri http://hdl.handle.net/10344/7887
dc.description peer-reviewed en_US
dc.description.abstract A regenerated fiber Bragg grating (RFBG) in silica fiber was used to observe the viscous relaxation process of the host silica fiber at high temperatures of around 1000 C. Two factors, preannealing time and loaded tension, which a ect viscous relaxation, were observed. When an RFBG is stretched after a longer preannealing, the measured viscosity of the optical fiber was observed to reach equilibrium faster, which means that preannealing accelerates viscous relaxation. A similar acceleration phenomenon was also observed when a larger load was applied to stretch the optical fiber, although the acceleration e ect of loaded tension was not as strong as in the preannealing case. The results play an active role in establishing e ective optical-fiber devices for application in high-temperature environments. en_US
dc.language.iso eng en_US
dc.relation B13015 en_US
dc.relation.ispartofseries Sensors;19, 2293
dc.subject regenerated fiber bragg grating en_US
dc.subject viscous relaxation en_US
dc.subject optical fiber en_US
dc.subject viscosity en_US
dc.title Observing the viscous relaxation process of silica optical fiber at ~1000 C using regenerated fiber bragg grating en_US
dc.type info:eu-repo/semantics/article en_US
dc.identifier.doi 10.3390/s19102293
dc.contributor.sponsor National Key R&D Program of China en_US
dc.contributor.sponsor National Science Foundation of China en_US
dc.contributor.sponsor Shandong Provincial Natural Science Foundation en_US
dc.contributor.sponsor Fundamental Research Funds of the Central University, en_US
dc.contributor.sponsor Harbin Engineering University en_US
dc.relation.projectid 2016YFF0200700 en_US
dc.relation.projectid 61775045 en_US
dc.relation.projectid ZR2016FM33 en_US
dc.rights.accessrights info:eu-repo/semantics/openAccess en_US
dc.internal.rssid 2906008


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